Answer: conditioned stimulus (CS).
Explanation:
Classical conditioning is a learning process, it was discovered by Iván Pavlov and today it is still under study.
The learning through Classical conditioning is carried out in the following way: we can generate learning when we establish an association between a conditioned stimulus and a neutral stimulus to obtain an unconditional response.
In this case, the real estate agent made an association through classic conditioning between the house and the delicious food, so when the client thinks about the house he will remember the delicious food and feel joy.
I hope this information can help you.
